Winnebago County, Wisconsin ZIP Codes
- ZIP records
12 - Cities represented
10 - Sum of listed ZIP population estimates
149,879
Population sum includes positive estimates in these ZIP records; it is not an official county population.
Top ZIP Codes by Population
| Rank | ZIP Code | City | Population estimate |
|---|---|---|---|
| 1 | 54956 | Neenah | 46,567 |
| 2 | 54901 | Oshkosh | 37,294 |
| 3 | 54904 | Oshkosh | 22,273 |
| 4 | 54902 | Oshkosh | 22,243 |
| 5 | 54963 | Omro | 7,271 |
| 6 | 54986 | Winneconne | 5,394 |
| 7 | 54940 | Fremont | 4,533 |
| 8 | 54947 | Larsen | 2,323 |
| 9 | 54964 | Pickett | 974 |
| 10 | 54927 | Butte Des Morts | 540 |
Cities in Winnebago County
ZIP Directory
- ZIP 54901
- ZIP 54902
- ZIP 54904
- ZIP 54927
- ZIP 54940
- ZIP 54947
- ZIP 54956
- ZIP 54963
- ZIP 54964
- ZIP 54980
- ZIP 54985
- ZIP 54986
Browse all ZIP data for Wisconsin
Methodology: Records are grouped by the source file's listed county and state. Population sums add positive ZIP-level estimates and are not official county totals; city counts use distinct city labels in the source.